Conan O’Brien mailed a questionnaire to some of America’s biggest stars for a bit called ‘Celebrity Survey’ on Tuesday’s ‘Late Night’. Asked, “I knew I was with my soul mate when…”, Meredith Vieira wrote, “He sang to me on our first date.” Katie Holmes wrote, “I realized we both owned all the same albums.” Christina Aguilera wrote, “He yelled my name during a five-way.”